You're going to LOVE the fit. Try it on and experience our perfect fit. If you don't love it, send it back in new and unused condition within 30 days for an exchange or full refund*. Risk free.
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The 509 Youth Tactical 2.0 Offroad Helmet hooks the next generation up with the industry’s best value for safety, technology, venting, and comfort. Lightweight and durable with a polycarbonate outer shell, its proven package includes protection standards that meet or exceed DOT and ECE 22.05 safety certifications. Innovative Venturi Venting with shutters you can open or close creates negative pressure in the breath box to pull moist air out for all-day comfort and clearer vision.
Key Features
- Polycarbonate blend Shell
- Innovative Venturi Vent pulls moist air from helmet without cold wind coming into helmet → Learn More
- Double D-ring chin strap closure
- Adjustable visor with Lifetime Warranty
- V.E.E.S Protection system (sold separately) can be used for cold weather and winter conditions → Shop VEES Protection System
- On/Off vent shutter inside helmet
- Moisture wicking removable Liner & Cheek pads for custom fit adjustments and easy to wash → Shop Cheek Pads for Tactical 2.0 Helmets
- Universal camera mount capable
- WARNING for California Residents
Specs
- Helmet Certifacation: DOT & ECE 22.05
- Starting Weight: Starting at 1,300 grams
- Best Head Shape: Intermediate oval fit
- Size Range: from YSM - YLG
- Shell Breaks:
Small Shell - YSM, YMD, YLG - Included Items: Soft helmet bag, 509 Sticker
Size Guide
Not sure about your size? Try on at your local dealer!
*Street Helmets are a tighter fit due to cheekpad compression, however, they do pack out over time/use.
How to Measure
When measuring your head, use a cloth tape. Start it just above your eyebrows and circle it around the thickest point in the rear of your head and then reference the size guide below.
Scroll to the right to see more sizes
| Size | US Hat Size | Inches | Centimeters |
| X-Small | 6 5/8 - 6 3/4 | 20 7/8 - 21 1/8 | 53 - 54 |
| Small | 6 7/8 - 7 | 21 5/8 - 21 7/8 | 55 - 56 |
| Medium | 7 1/8 - 7 1/4 | 22 1/2 - 22 5/8 | 57 - 58 |
| Large | 7 3/8 - 7 1/2 | 23 1/4 - 23 1/2 | 59 - 60 |
| X-Large | 7 5/8 - 7 3/4 | 24 - 24 1/4 | 61 - 62 |
| 2X-Large | 8 | 24 3/4 - 25 | 63 - 64 |
| 3X-Large | 8 3/4 | 25 1/4 - 25 3/4 | 64 - 65 |
| 4X-Large | 9 | 26 - 26 1/4 | 66 - 67 |
| Youth Small | 6 | 18 1/8 - 18 7/8 | 47 - 48 |
| Youth Medium | 6 1/8 - 6 1/4 | 19 1/4 - 19 5/8 | 49 - 50 |
| Youth Large | 6 3/8 - 6 1/2 | 20 - 20 1/2 | 51 - 52 |
Pressure Points
When trying on a helmet, take note of any pressure points on your forehead—a sign that the helmet is too round. Pressure points on the sides of your head indicate a helmet is too oval for the shape of your head. After you buy a new helmet, try wearing it for 30 to 45 minutes to check for pressure points before using it on a ride.
Pressure Points
When trying on a helmet, take note of any pressure points on your forehead—a sign that the helmet is too round. Pressure points on the sides of your head indicate a helmet is too oval for the shape of your head. After you buy a new helmet, try wearing it for 30 to 45 minutes to check for pressure points before using it on a ride.
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